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If a Heterozygous Parent AB/abis Test-Crossed to a Homozygous Recessive

Question 8

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If a heterozygous parent AB/abis test-crossed to a homozygous recessive ab/ab) ,what will the progeny phenotypic ratio be if genes A and B are completely linked?


A) 1AB:1Ab:1aB:1ab
B) 9AB:3Ab:3aB:1ab
C) 1AB:1ab
D) none of the above

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